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Keywords: Glucocorticoids
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Journal Articles
J Exp Biol (2021) 224 (20): jeb242951.
Published: 19 October 2021
...Gabrielle R. Names; Elizabeth M. Schultz; Jesse S. Krause; Thomas P. Hahn; John C. Wingfield; Molly Heal; Jamie M. Cornelius; Kirk C. Klasing; Kathleen E. Hunt ABSTRACT Vertebrates confronted with challenging environments often experience an increase in circulating glucocorticoids, which result...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (18): jeb243198.
Published: 28 September 2021
...David C. Ensminger; Daniel E. Crocker; Emily K. Lam; Kaitlin N. Allen; José Pablo Vázquez-Medina ABSTRACT The hypothalamic–pituitary–adrenal (HPA) axis controls the release of glucocorticoids, which regulate immune and inflammatory function by modulating cytokines, white blood cells and oxidative...
Journal Articles
J Exp Biol (2021) 224 (12): jeb240499.
Published: 18 June 2021
..., are these reaction norms themselves consistent over time, i.e. repeatable? Here, we quantified individual baseline glucocorticoid responses in house sparrows, Passer domesticus , to sequential manipulations of temperature, wind speed and food unpredictability that were repeated in discrete blocks of sampling under...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (9): jeb225847.
Published: 04 May 2021
... Inflammation Prostaglandins Glucocorticoids Lipopolysaccharides Endotoxin The COVID-19 pandemic has renewed both public and research focus on better understanding the intricacies of disease spread in terms of physiology and individual and collective behavior ( Arunachalam et al., 2020 ; Lopes...
Journal Articles
J Exp Biol (2019) 222 (22): jeb211771.
Published: 25 November 2019
... to be mediated by glucocorticoids, but the impact of developmental glucocorticoid exposure on adult metabolism has rarely been studied and the results are equivocal. In this study, we examined the impact of developmental exposure to corticosterone (CORT, the main avian glucocorticoid hormone) on resting...
Includes: Supplementary data
Journal Articles
J Exp Biol (2019) 222 (6): jeb187039.
Published: 21 March 2019
... infection. The neuroimmune response is inextricably linked to the action of the hypothalamic–pituitary–adrenal (HPA) axis. Cytokines released from neuroimmune cells, including microglia, activate the HPA axis, while glucocorticoids in turn regulate cytokine release from microglia. Because of the close links...
Journal Articles
J Exp Biol (2018) 221 (24): jeb187930.
Published: 12 December 2018
... and behavioural responses. Rapid elevation of glucocorticoid hormones in response to environmental stressors are widely implicated in adjusting physiological and behaviour processes that could influence irruptive movement capacity. However, there remains little direct evidence demonstrating that corticosterone...
Includes: Supplementary data
Journal Articles
J Exp Biol (2017) 220 (18): 3391–3397.
Published: 15 September 2017
... into costs of metamorphosis. We measured the energetic and nutritional costs across the entire larval period and metamorphosis in a larval amphibian exposed to exogenous glucocorticoid (GC) hormones – the primary hormone secreted by the HPA/I axis. We measured metabolic rates and dry mass across larval...
Journal Articles
J Exp Biol (2017) 220 (9): 1693–1700.
Published: 01 May 2017
.... To fully understand how wild organisms are affected by stressors, it is crucial to understand the physiology that underlies an organism's response to a stressor. Prolonged levels of elevated glucocorticoids are associated with a state of chronic stress and decreased fitness. Exogenous glucocorticoid...
Includes: Supplementary data
Journal Articles
J Exp Biol (2016) 219 (5): 658–667.
Published: 01 March 2016
...Andréaz Dupoué; Frédéric Angelier; François Brischoux; Dale F. DeNardo; Colette Trouvé; Charline Parenteau; Olivier Lourdais ABSTRACT Circulating glucocorticoid (GC) levels may increase as a result of reproductive effort or in response to unpredictable events. However, GC secretion can vary...
Journal Articles
J Exp Biol (2014) 217 (14): 2601–2608.
Published: 15 July 2014
...Christine R. Lattin; L. Michael Romero The physiological stress response results in release of glucocorticoid hormones such as corticosterone (CORT). Whereas short-term activation of this response helps animals cope with environmental stressors, chronic activation can result in negative effects...
Journal Articles
J Exp Biol (2014) 217 (1): 57–66.
Published: 01 January 2014
... no competing financial interests. © 2014. Published by The Company of Biologists Ltd 2014 Birds Glucocorticoids Longevity Most organisms are well adjusted for coping with predictable environmental change, such as changes in day length, seasonal changes in habitats or changes they encounter...
Journal Articles
J Exp Biol (2011) 214 (8): 1257–1263.
Published: 15 April 2011
... with a reversed LD cycle, the expression of Dec1 but not Dec2 reverted to being arrhythmic. Moreover, exogenous injection of the glucocorticoid analogue dexamethasone (Dex) at certain times of the day resulted in rhythmic expression of Dec1 , which was similar to that seen following RF for 7 days. In contrast...
Includes: Supplementary data
Journal Articles
J Exp Biol (2009) 212 (10): 1477–1482.
Published: 15 May 2009
... they occur and the negative consequences of exposure to glucocorticoids, has been problematic and limited to short-term physiological measures. By contrast, the quantification of corticosterone (CORT) in feathers represents a long-term, integrated measure of hypothalamic–pituitary–adrenal activity...
Journal Articles
J Exp Biol (2008) 211 (10): 1696–1703.
Published: 15 May 2008
...Haruka Wada; Creagh W. Breuner SUMMARY Developing animals may face a cost–benefit tradeoff during growth mediated through hormones such as glucocorticoids, as the hormone is essential for development but can have detrimental consequences. To investigate potential tradeoffs caused by brief, moderate...